1.0.5
Nov 7, 2026 · seen Oct 21, 2026
Blackbook: SSC English Vocab+ is an education app by Nikhil Gupta Sir with 100,000+ downloads (about 105K estimated). +6.8K installs in the last 7 days. Released Jun 24, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Blackbook of English Vocabulary, Grammar & Comprehension for SSC PYQs, Mock Test”